United States educational, scientific and cultural motion pictures and filmstrips suitable and availablr for use abroad; report of the Panel on Educational Films, Subcommittee on Catalogue, United States antional Commission for UNESCO.
| 企业作者: | |
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| 格式: | 图书 |
| 语言: | 英语 |
| 出版: |
[Washington, Dept. of State]
s.n.
1950.
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| 主题: |